Dismiss EME infobar when WebMediaPlayer is destroyed.

content/common/media/media_player_messages_android.h

Index: content/common/media/media_player_messages_android.h
diff --git a/content/common/media/media_player_messages_android.h b/content/common/media/media_player_messages_android.h
index 5addcf1b5e5c0aa52f9308a259d80a44a4159db0..fc73ec7a831aa6e422798ae5519d4139aa37305c 100644
--- a/content/common/media/media_player_messages_android.h
+++ b/content/common/media/media_player_messages_android.h
@@ -302,6 +302,10 @@ IPC_MESSAGE_ROUTED2(MediaKeysHostMsg_ReleaseSession,
                     int /* media_keys_id */,
                     uint32_t /* session_id */)
 
+IPC_MESSAGE_ROUTED2(MediaKeysHostMsg_CancelSession,

[ddorwin, 2013/12/20 23:59:52]

ditto

[Kibeom Kim (inactive), 2013/12/30 12:33:05]

Done.

+                    int /* media_keys_id */,
+                    uint32_t /* session_id */)
+
 IPC_MESSAGE_ROUTED3(MediaKeysMsg_SessionCreated,
                     int /* media_keys_id */,
                     uint32_t /* session_id */,
@@ -322,6 +326,11 @@ IPC_MESSAGE_ROUTED2(MediaKeysMsg_SessionClosed,
                     int /* media_keys_id */,
                     uint32_t /* session_id */)
 
+IPC_MESSAGE_ROUTED3(MediaKeysMsg_SessionApproved,

[ddorwin, 2013/12/20 23:59:52]

Can we think of a better name than SessionApproved? SessionCreationAllowed?

It's weird naming - the name is positive but a parameter can make the meaning
negative. This is another reason why making this message the failure case (see
later) is appealing.

[Kibeom Kim (inactive), 2013/12/30 12:33:05]

Done. (Removed)

+                    int /* media_keys_id */,
+                    uint32_t /* session_id */,
+                    bool /* success */)
+
 IPC_MESSAGE_ROUTED4(MediaKeysMsg_SessionError,
                     int /* media_keys_id */,
                     uint32_t /* session_id */,